X0508 4 2024-07-31 0001205922 VACCINEX, INC. VCNX 0001268239 FRIEDBERG ALBERT 220 BAY STREET SUITE 600 TORONTO A6 M5J 2W4 ONTARIO, CANADA 1 0 1 0 0001678258 FCMI Parent Co. 220 BAY STREET SUITE 600 TORONTO A6 M5J 2W4 ONTARIO, CANADA 0 0 1 0 0 Common Stock 2094 D Common Stock 180 I By Pan Atlantic Holdings Ltd. Common Stock 16724 I By Friedberg Global-Macro Hedge Fund Ltd. Common Stock 2024-07-31 4 P 0 100629 5.738 A 663044 I By FCMI Parent Co. Common Stock 2024-07-31 4 P 0 83243 6.410 A 746287 I By FCMI Parent Co. Common Stock 2024-07-31 4 P 0 16128 7.396 A 762415 I By FCMI Parent Co. Warrant (Right to Buy) 7.64 2024-03-28 2029-03-28 Common Stock 102960 102960 I By FCMI Parent Co. Warrant (Right to Buy) 14.0 2024-02-08 2029-02-08 Common Stock 118226 118226 I By FCMI Parent Co. Warrant (Right to Buy) 14.0 2023-10-03 2028-10-03 Common Stock 214285 214285 I By FCMI Parent Co. Mr. Friedberg is the majority owner of Pan Atlantic Holdings Ltd. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Mr. Friedberg possesses voting and dispositive power over the reported securities and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.10 to $6.10, inclusive. The reporting persons undertake to provide Vaccinex, Inc., any security holder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.11 to $7.06, inclusive. The reporting persons undertake to provide Vaccinex, Inc., any security holder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.18 to $7.40, inclusive. The reporting persons undertake to provide Vaccinex, Inc., any security holder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ Jill Sanchez, Attorney-in-Fact for Albert D. Friedberg 2024-08-01 FCMI Parent Co. By: /s/ Dan Scheiner, Vice President 2024-08-01